Four-die tool and forging press

A stamping tool and forging press technology, which is applied in the field of four-saddle stamping tools, can solve problems such as flattening of the workpiece, complex design structure of the four-saddle-forging device, cracks, etc., and achieve the effect of eliminating the drop

Active Publication Date: 2015-02-04
SMS MEER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage of such a four-saddle-forge is the independence of the drive for each forge of the forging unit, since this necessitates synchronization of the four forges, thereby making the design of the four-saddle-forge obvious become complicated
Without sufficiently precise determination of the moment at which the four forging saddles come into simultaneous contact with the workpiece to be forged, severe flattening and / or cracks can quickly occur at the workpiece

Method used

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  • Four-die tool and forging press
  • Four-die tool and forging press
  • Four-die tool and forging press

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0112] Forging Press 2 is equipped with figure 1 and 2 The four-saddle punching tool 1 shown in the forging press 2 is implemented in the design of a free forging press 3 .

[0113] The four-saddle stamping tool 1 has a lower saddle part 4 which is mounted stationary, ie immobile, on the stamping table 5 of the forging press 2 , and a displaceable, ie movable, part relative to the lower saddle part 4 . The upper saddle part 6 (which is arranged stationary on the moving beam part 7 of the forging press 2 ).

[0114] Here, the upper saddle part 6 of the four-saddle stamping tool 1 is fixed at the moving beam part 7 of the forging press 2 in such a way that the upper saddle part 6 can be moved downwards in a vertical forward movement 8 not only by means of the moving beam part 7 is moved towards the lower saddle part 4 to cause the forging process, as has hitherto been common. In addition, the upper saddle part can also be actively advanced from the lower saddle part 4 upwards...

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Abstract

The invention relates to a four-die press tool (1), comprising a lower die assembly (4) and an upper die assembly (6) displaceable relative thereto, comprising four rams (10, 11, 12, 13) spaced apart and supported on the lower die assembly (4) or the upper die assembly (6) and carrying forging dies (29), and a ring (20) on which are mounted the four rams (10, 11, 12, 13) concentrically around the central press axis (28) of the four-die press tool (1) in such a way that they can be displaced relative to the central press axis (28) whenever the upper die assembly (6) is moved relative to the lower die assembly (4), wherein protecting means (35) are mounted on the ring (20) to secure a workpiece in a centered position on a central predetermined position of the workpiece relative to the central press axis (28) independently of a workpiece manipulator.

Description

technical field [0001] The invention relates to a four-saddle stamping tool (Viersattelpressenwerkzeug), which has a lower saddle part (Untersattelteil) and an upper saddle part displaceable therefor; Four stamped rod parts (Pressenstoesselteil) at the saddle part are used to hold the forged saddle (Schmiedesattel); with retaining ring parts (Halteringteil), by means of which these four stamped rod parts are concentrically surrounded by four saddles The center punching axes of the punching tools are arranged in such a way that they are displaceable relative to the center punching axis when the upper saddle part is moved relative to the lower saddle part. [0002] The invention furthermore relates to a forging press, in particular a free forging press (Freiformschmiedepresse), which has a four-saddle punching tool that defines a central punching axis for pressing workpieces (Druckumformen) into elongated semi-finished products, etc.; and having at least A workpiece handling de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J9/02
CPCB21J9/02B21J7/14B21J9/06B21J13/02B21J13/08
Inventor D·霍伊斯根G·J·潘策尔
Owner SMS MEER
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